2006 Audi A3 vs. 2005 Audi S4
To start off, 2006 Audi A3 is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Audi S4. In addition, the cost of maintenance, including insurance, on 2005 Audi S4 would be higher. At 4,161 cc (8 cylinders), 2005 Audi S4 is equipped with a bigger engine. In terms of performance, 2005 Audi S4 (340 HP @ 6300 RPM) has 93 more horse power than 2006 Audi A3. (247 HP @ 6300 RPM) In normal driving conditions, 2005 Audi S4 should accelerate faster than 2006 Audi A3. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi A3 weights approximately 44 kg more than 2005 Audi S4.
Let's talk about torque, 2005 Audi S4 (410 Nm) has 90 more torque (in Nm) than 2006 Audi A3. (320 Nm). This means 2005 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi A3.
Compare all specifications:
| 2006 Audi A3 | 2005 Audi S4 | |
| Make | Audi | Audi |
| Model | A3 | S4 |
| Year Released | 2006 | 2005 |
| Body Type | Hatchback | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3189 cc | 4161 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 247 HP | 340 HP |
| Engine RPM | 6300 RPM | 6300 RPM |
| Torque | 320 Nm | 410 Nm |
| Engine Bore Size | 84 mm | 85 mm |
| Engine Stroke Size | 95.9 mm | 93 mm |
| Engine Compression Ratio | 11.3:1 | 11.0:1 |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 1884 kg | 1840 kg |
| Vehicle Length | 4210 mm | 4580 mm |
| Vehicle Width | 1770 mm | 1780 mm |
| Vehicle Height | 1430 mm | 1400 mm |
| Wheelbase Size | 2580 mm | 2660 mm |
| Fuel Consumption Overall | 9.9 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 60 L | 63 L |
